First, move to safety. Place your emergency flashers on and turn your engine off. If anyone has been injured call 911 immediately.
Yes. Documentation is your not so secret weapon in the fight to receive fair compensation for your injuries. Use your phone to snap some photos of the damage to both your vehicle and any other vehicles involved. It’s also a good idea to get photos of the location of the vehicles, as well as the license plate of the other vehicles involved and any debris or tire marks in the roadway. You should also take photos of any injuries you sustained, including cuts and bruises.